Abdulah Sidran, often referred to by his hypocoristic nickname Avdo, was a Bosnian poet and screenwriter. He is considered to be one of the most influential writers in both Bosnia and Herzegovina and the former Yugoslavia.

When Father Was Away on Business is a 1985 Yugoslav film by Serbian director Emir Kusturica. The screenplay was written by the Bosnian dramatist Abdulah Sidran. Its subtitle is A Historical Love Film and it was produced by Centar Film and Forum, production companies based in Sarajevo.